Class Switcher

code/event-handlers/src/app.jsx:23–39

};

class Switcher extends React.Component {
  constructor(props) {
    super(props);
    this.state = { name: 'React in patterns' };
    this._buttonClick = this._handleButtonClick.bind(this);
  }
  render() {
    return (
      <button onClick={ this._buttonClick }>
        click me
      </button>
    );
  }
  _handleButtonClick() {
    console.log(`Button is clicked inside ${ this.state.name }`);
  }
};

ReactDOM.render(<div><Switcher /><Form /></div>, document.querySelector('#container'));